9.1.1.2 Chronic headache attributed to bacterial meningitis or meningoencephalitisHartmut Gobel2018-02-06T11:16:05+00:00

Diagnostic criteria:

1. Headache fulfilling criteria for 9.1.1 Headache attributed to bacterial meningitis or meningoencephalitis, and criterion C below
2. Bacterial meningitis or meningoencephalitis remains active¹ or has resolved within the last 3 months
3. Headache has been present for >3 months.

Note:

Demonstrated by MRI focal or multifocal contrast enhancement and/or persistence of CSF pleocytosis with or without evidence of blood brain barrier damage.